The support arch is to ensure the safe production of hundreds of coal mines and escort the lives and safety of tens of millions of coal mine workers. Today, I am introducing and recommending the direc

As an alternative to miner steel supports, steel arch supports are also required for market development. With the development of the coal and mineral industries, the coal seam is getting deeper and de

The steel mine support is an efficient and reasonable support method. In specific scenarios, when the pressure value of the surrounding rock used as the steel mine support reaches a certain value, the

The tunnel roof support is a special steel material for coal mine support. Its shape is U-shaped, tunnel roof support is mainly used for mine roadway, secondary support of mine roadway, and support fo

Underground roof support is currently in the mining industry and coal support field. Underground roof support are mainly assembled by bending and welding, and are often used in mine tunnels, secondary

Under the condition of ensuring the load-bearing capacity of the mine roof support, the mine roof support has better stability than ordinary I-beam and saves metal, so it has better economic effect. M